// Multiple file selector by Stickman -- http://www.the-stickman.com 
// with thanks to: [for Safari fixes] Luis Torrefranca -- http://www.law.pitt.edu and Shawn Parker & John Pennypacker -- http://www.fuzzycoconut.com [for duplicate name bug] 'neal'
function MultiSelector( list_target, max ){
	this.list_target = list_target;
	this.count = 0;
	this.id = 0;
	if( max ){
		this.max = max;
	} 
	else {
		this.max = -1;
	};
	this.addElement = function( element ){
		if( element.tagName == 'INPUT' && element.type == 'file' ){
			element.name = 'file_' + this.id++;
			element.multi_selector = this;
			element.onchange = function(){
				var new_element = document.createElement( 'input' );
				new_element.type = 'file';
				this.parentNode.insertBefore( new_element, this );
				this.multi_selector.addElement( new_element );
				this.multi_selector.addListRow( this );
				this.style.position = 'absolute';
				this.style.left = '-1000px';};
				if( this.max != -1 && this.count >= this.max ){
					element.disabled = true;};
					this.count++;this.current_element = element;
				} 
				else {
					alert( 'Error: not a file input element' );
				};
			};
			this.addListRow = function( element ){
				var new_row = document.createElement( 'div' );
				var new_row_button = document.createElement( 'input' );
				new_row_button.type = 'button';
				new_row_button.value = 'Delete';
				new_row.element = element;
				new_row_button.onclick= function(){
					this.parentNode.element.parentNode.removeChild( this.parentNode.element );
					this.parentNode.parentNode.removeChild( this.parentNode );
					this.parentNode.element.multi_selector.count--;
					this.parentNode.element.multi_selector.current_element.disabled = false;
					return false;
				};
				new_row.innerHTML = element.value;new_row.appendChild( new_row_button );
				this.list_target.appendChild( new_row );
			};
		};